1144222200 has 240 divisors, whose sum is σ = 4336005960. Its totient is φ = 277344000.

The previous prime is 1144222187. The next prime is 1144222207. The reversal of 1144222200 is 22224411.

1144222200 is a `hidden beast` number, since 1 + 1 + 442 + 2 + 220 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144222207) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 174990 + ... + 181410.

Almost surely, 2^1144222200 is an apocalyptic number.

1144222200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1144222200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2168002980).

1144222200 is an abundant number, since it is smaller than the sum of its proper divisors (3191783760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1144222200 is a wasteful number, since it uses less digits than its factorization.

1144222200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6460 (or 6442 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1144222200 is about 33826.3536314513. The cubic root of 1144222200 is about 1045.9320149773.

Adding to 1144222200 its reverse (22224411), we get a palindrome (1166446611).

The spelling of 1144222200 in words is "one billion, one hundred forty-four million, two hundred twenty-two thousand, two hundred".